fixup! typo

Author: jfreden

x-pack/plugin/security/src/test/java/org/elasticsearch/xpack/security/action/rolemapping/TransportPutRoleMappingActionTests.java

@@ -102,7 +102,7 @@ public void testPutMappingWithInvalidName() {
 
         assertThat(
             illegalArgumentException.getMessage(),
-            equalTo("Invalid mapping name [anarchy (read only)]. [ (read only)] is not an allowed suffix")
+            equalTo("Invalid mapping name [anarchy (read only)]. [(read only)] is not an allowed suffix")
         );
     }